<lv-group lvGutter='50px'>
    <button lv-button>Horizontal 1</button>
    <lv-group>
        <button lv-button>Nesting 1</button>
        <button lv-button>Nesting 2</button>
    </lv-group>
    <button lv-button>Horizontal 2</button>
</lv-group>